The Last Precint by Patricia Cornwall

Second Hand 

The eleventh book in the Kay Scarpetta series, from No. 1 bestselling author Patricia Cornwell - now an original series on Prime Video
'America's most chilling writer of crime fiction' The Times

Physically and psychologically bruised by her encounter with the killer Chandonne, Dr Kay Scarpetta has to leave her home in the hands of the police team investigating the attack. She finds shelter with an old friend, Anna Zenner, but it is not the haven of security she needs when she discovers that Anna has been sub-poenaed to appear before a Grand Jury which is investigating Scarpetta for murder. Kay knows she is being framed and she also knows she can trust no-one.